I saw him leave the office an hour ago . He ____ at this time .
Agriculture officials this week said strict control pressures are in place,___to prevent the red fire ants spreading across the country.
—The police have caught the murderer. —Yes, and he admitted ________ his boss on a rainy night seven years ago.
__________ you promise to come to help me,I don’t mind what time tomorrow you arrive at my place.
It matters little _______ a man dies, but ______ matters much is ________ he lives.
For weeks, the street hasn’t been cleaned by the cleaners, _______makes it very dirty.